前言

在創建mongodb的replica set的時候，只是做成了1主2從，沒有做成1主1從1仲裁。這我們將一個幾點從replica set中刪除，再以仲裁節點的身份加入到replica set中：

1.初始狀態：

shard1ReplSet:PRIMARY> rs.status();rs.status();
{
“set” : “shard1ReplSet”,
“date” : ISODate(“2017-02-21T07:48:03.058Z”),
“myState” : 1,
“term” : NumberLong(1),
“heartbeatIntervalMillis” : NumberLong(2000),
“optimes” : {
“lastCommittedOpTime” : {
“ts” : Timestamp(0, 0),
“t” : NumberLong(-1)
},
“appliedOpTime” : {
“ts” : Timestamp(1487663274, 1),
“t” : NumberLong(1)
},
“durableOpTime” : {
“ts” : Timestamp(1487587982, 1),
“t” : NumberLong(-1)
}
},
“members” : [
{
“_id” : 0,
“name” : “10.13.0.130:22001”,
“health” : 1,
“state” : 1,
“stateStr” : “PRIMARY”,
“uptime” : 76672,
“optime” : {
“ts” : Timestamp(1487663274, 1),
“t” : NumberLong(1)
},
“optimeDate” : ISODate(“2017-02-21T07:47:54Z”),
“electionTime” : Timestamp(1487587993, 1),
“electionDate” : ISODate(“2017-02-20T10:53:13Z”),
“configVersion” : 1,
“self” : true
},
{
“_id” : 1,
“name” : “10.13.0.131:22001”,
“health” : 1,
“state” : 2,
“stateStr” : “SECONDARY”,
“uptime” : 75300,
“optime” : {
“ts” : Timestamp(1487663274, 1),
“t” : NumberLong(1)
},
“optimeDurable” : {
“ts” : Timestamp(1487587982, 1),
“t” : NumberLong(-1)
},
“optimeDate” : ISODate(“2017-02-21T07:47:54Z”),
“optimeDurableDate” : ISODate(“2017-02-20T10:53:02Z”),
“lastHeartbeat” : ISODate(“2017-02-21T07:48:02.150Z”),
“lastHeartbeatRecv” : ISODate(“2017-02-21T07:48:02.215Z”),
“pingMs” : NumberLong(0),
“syncingTo” : “10.13.0.132:22001”,
“configVersion” : 1
},
{
“_id” : 2,
“name” : “10.13.0.132:22001”,
“health” : 1,
“state” : 2,
“stateStr” : “SECONDARY”,
“uptime” : 75300,
“optime” : {
“ts” : Timestamp(1487663274, 1),
“t” : NumberLong(1)
},
“optimeDurable” : {
“ts” : Timestamp(1487587982, 1),
“t” : NumberLong(-1)
},
“optimeDate” : ISODate(“2017-02-21T07:47:54Z”),
“optimeDurableDate” : ISODate(“2017-02-20T10:53:02Z”),
“lastHeartbeat” : ISODate(“2017-02-21T07:48:02.889Z”),
“lastHeartbeatRecv” : ISODate(“2017-02-21T07:48:01.503Z”),
“pingMs” : NumberLong(0),
“syncingTo” : “10.13.0.130:22001”,
“configVersion” : 1
}
],
“ok” : 1
}
shard1ReplSet:PRIMARY>
shard1ReplSet:PRIMARY>
shard1ReplSet:PRIMARY>
shard1ReplSet:PRIMARY>